Home / 367,742.40-551,613.60-131,092.80

Finding the Fourth Proportional to 367,742.40, 551,613.60 and 131,092.80

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Solution

The fourth proportional to 367,742.40, 551,613.60 and 131,092.80 is: 196,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,742.40 : 551,613.60 = 131,092.80 : x
  2. Step 2: Convert to fraction form
    367,742.40/551,613.60 = 131,092.80/x
  3. Step 3: Cross multiply
    367,742.40x = 551,613.60 × 131,092.80
  4. Step 4: Simplify right side
    367,742.40x = 72,312,571,342.08
  5. Step 5: Solve for x
    x = 72,312,571,342.08/367,742.40
  6. Step 6: Final answer
    x = 196,639.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.